Assume a molecule must cross the plasma membrane into a cell. the molecule is a very large protein. how will it be transported into the cell? explain your answer

How can antibodies "remember" a particular bacterial invader or "antigen" on that invader?

What does natural resource management aim at ?

Which of the following situations describes a adaptation for a mole? question 2 options: a mole is blind and cannot see underground. a mole is bright and attracts the attention of predator birds. a mole has a sensitive sense of smell to it find food underground.